Journal
APPLIED CATALYSIS A-GENERAL
Volume 514, Issue -, Pages 43-50Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2016.01.004
Keywords
Polymer nanoparticles; Phosphonium-based ionic liquid; CO2; Epoxide; Cyclic carbonate
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Funding
- National Natural Science Foundation of China [51572119, 51238002, 51272099]
- Natural Science Foundation of Jiangxi Province [20151BAB203012]
- Natural Science Foundation of Jiangxi Provincial Department of Education [GJJ14537, GJJ14516]
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A promising new strategy for fabricating polymer nanoparticles that are grafted with hydroxyl-functionalized phosphonium-based ionic liquid (PNPs-HPIL) through copolymerization of EGDMA and HPIL was established. The PNPs-HPIL catalyst exhibits good catalytic activity for the synthesis of cyclic carbonates through cycloaddition of CO2 to epoxides. At a catalyst loading as low as 0.47 mmol%, the PC yield is above 96.0% and PC selectivity almost 100%. It is noted that the hydroxyl groups of PNPs-HPIL play an important role for facilitating the cycloaddition reaction through the hydrogen bonding between hydroxyl groups and epoxides. Furthermore, the PNPs-HPIL catalyst shows good stability and reusability, which are beneficial to practical application in industry. (C) 2016 Elsevier B.V. All rights reserved.
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